%0 Journal Article
%A G. A. Margulis
%T Free completely discontinuous groups of affine transformations
%J Doklady Akademii Nauk
%D 1983
%P 785-788
%V 272
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1983_272_4_a2/
%G ru
%F DAN_1983_272_4_a2